body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
    monospace;
}

.header {
  height:44px;
  line-height:44px;
  background-color:#000;
  color:#fff;
  text-align:center;
}
.header a {
  text-decoration:none;
  padding:0px 8px;
}
a {text-decoration:none}
a:link{color:#c00 ;}
a:visited {color:#c30 ;}
a:hover {color:green;}
a:active {color:#F90 ;} 

/* 用户页面的布局 */
.home {
  display:flex;
  flex-direction: row;
}
.home-guide-sidebar {
  display:flex;
  flex-direction: column;
  width:30%;
}
.home-guide-sidebar  a {
  padding:8px 0px;
}
.sidebar-view {
  flex:1;
  height:600px;
  background-color:#fafafa;
}
/* 分类 */
.category {
  display:flex;
  flex-direction: row;
}

ul.category-ul {
  list-style:none;
  text-align: left;
  padding: 0px 0px 0px 15px;
}
ul.category-ul > li {
  
  padding:8px 0px;
 
}
.right-view {
  flex:1;
  background-color:#f1f1f1;
}

/* 登录 */
.login {
  text-align:center;
}
.form-item{
  padding-top:30px;
}